A. Speed of aeroplanes
B. Speed of light
C. Stellar distances
D. Speed of rockets
Answer: Option C
This Question Belongs to General Knowledge >> General Science
The tree which sends down roots from its branches to the soil is known as:
A. Oak
B. Pine
C. Banyan
D. Palm
Brass gets discoloured in air because of the presence of which of the following gases in air?
A. Oxygen
B. Hydrogen Sulphide
C. Carbon dioxide
D. Nitrogen
Which of the following is a non metal that remains liquid at room temperature?
A. Phosphorous
B. Bromine
C. Chlorine
D. Helium
i think so speed of light is measure of light year